Improved manufacture of shoes



UNITED. STATES PATENT union.

CHARLES s. DUNBRAGK, or swAMPsooTT, MAssAoHUsETTs.

| M PROVED MANUFACTURE o'F vsl-lol-zs.

Specification formingpart of Letters Patent No. 95,211, dated September 2S, 1869.

To all 'whom 'it may concern:

Be it known that I, CHARLES S. DUNBRAGK, of Swampscott, of the county of Essex and State of Massachusetts, have madea new and useful invention having reference to the Making of Shoes; and do herebydeclare the same V to be fully described Vin the following specification andrepresented in the accompanying drawings, of which-f Figure 1 denotes a transverse section of a shoe-upper lasted and having Van outer sole applied to it, the same serving to exhibit my invention in part. Fig. 2 is' an under-side view; Fig. 3, a longitudinal section of the last and its spurred metallic sole-plate or upper and outer sole supporter. Fig. 4 is a top view, Fig. 5, a bottom view, and Fig. 6 a transverse section, of the sole preparatory to being lasted.

I am aware of the invention described in the specification of the United States Patent gNo.

` 46,299, granted February 7, 1865, to Joseph `B. Johnson `and Charles Buum, assignee of the said Johnson.

Like the latterI employ, with the last and upper, a false inner sole of metallic plate,

vwhich I so arrange on the last that there may be a clear space all around the periphery of the false sole, and between it and that of the sole of the last, the same being to enable the sewing to be carried around and outside ot' the periphery of the false inner sole.

In carrying out my invention, I form within i the body of the last, and from the sole thereof, a chamber or space, c, to receive the false inner sole b, either in whole or in part, or a rib, tongue, or extension from one face of such sole. l

Fig. 7 is an under-side view of the last, and

` Fig. Sis a 'transverse section of it as it appears without the false inner sole. i

The purpose of .the said chamber or space formed in and extending across the side of thelast, inwhole or in part, is to hold the false inner sole securely in place on the last, or preventdt from being moved out of its normal position, whether laterally or lon gitudinally, or otherwise, during-the lasting of the upper and the driving of the outer sole upon the spurs of the false inner sole. A

I also provide the said metallic false inner sole, which may be made of one or more plates of metal, or with such and a rib or extension to fit into the recess in the bottom of the last, with a series of short spurs, c c c, projecting from and at rightangles to its outer surface, each of such spurs being pointed, and having a prismatic or other proper form. These spurs I arrange along the false inner sole and near its periphery, and in other repects in manner as represented in the drawings. These spurs are to enable the outer sole to be' iixed to the false inner sole by laying the former on the spurs and driving it upon them.

The outer sole I not only form with a lipped channel, d, to receive the sewing, but on its opposite side I make within it, and around and near its periphery, a groove, c. This groove is to enable the upper to be drawn into the sole by the sewing, and to-prevent the stitches from being seen or exposed when the upper is drawn up from the outer sole. Furthermore, the groove is advantageous in other respects.

Preparatory to lasting the upper, the metallic false inner sole is to be laid in its chamber or recess in the last, and is to be held in connection with the last by means of a few short nails, f, driven through holes in it into the last. Next, the last so Vprepared with the false inner sole is to be placed within the upper, after which these edges, or parts of the latter whichare next to the false inner sole, are to be drawn over it and hitched upon the next adjacent spurs. To Y more securely hold the upper in place, threads may be stitched across the false sole from edge to edge of the upper. Next, the outer sole should be laid and properly adjusted upon the spurs, after which it should be beaten or driven upon them by a hammer, so as to cause them to enter it, and to come in close contact with the upper and with the false inner sole. This having been accomplished, the last should be pulled out of the upper, which, with the sole, will then be ready for being sewed together by the wellknown sewing-machine termed the McKay or Blake 7 sewing-machine, by which the shoe,

while being sewed, is supported on a horn or' arm projecting within it.

I make no claim to the employment of a false inner sole in connection with the last and the upper, and drawing the upper on the said sole and last by means of thread or sewiu g, or the equivalent thereof, extended across the inner sole. Nor do I claim the combination-of pinsand clamps, or their equivalents, With the false inner sole, such being as represented in the specification of the aforesaid patent, and for the purpose therein mentioned. Nor do I claim, in combination with the false sole and the upper, pieces of thin steel, bent up or hooked, and sharpened at or near one end of each, such being termed spurs, and described in the said speciication of the said patent. Y

The spurs I use are like shoe-pegs in form, they being made to project from the false sole, and being of a character, and arranged around the false inner sole, so as to enable the upper to be hitched on them around its edge, and the outer sole to be driven upon them by a hammer, struck when down upon such sole.v

I do not herein claim the outer sole as made with the upper-receivin g groove e, or with such and the stitch-groove d, as such Iphave made the subject of an additional application for a patent.

W'hat I claim as of my invention' is as follows:

l. The last as made with the recess a, to receive and support the false inner sole b.

2. The false inner sole b, made with` sole puncturing and holding spurs or pointed projections, so arranged as to hold the upper and receive andhold the outer sole when forced upon them by blows of a hammer, all constructed substantially as set forth.

3. The arrangement of the false inner sole vb, sitting Wholly or partially Within a recess,

a, made in' the' bottom of the last, such arrangement being that the sole shall bc supported against the periphery or edges of such recess c, in a manner to be kept in place in the last thereby, Whether Widthwise or lengthvise, or both Widthwse and lengthwise, of the ast.

4. The Inode of conning the upper to the false inner sole-viz., by hitching the upper on the spurs c oi' the false inner sole, and afterward driving Jthe outer sole upon such spurs and the-overlapping parts of the upper, as set forth.

CHARLES S. DUNBRAGK.

Witnesses SAMUEL N. PIPER, J. It. SNOW. 

